avg-cpu:  %user   %nice %system %iowait  %steal   %idle
sum	     0.000      0.000    159.650   4138.760      0.000   9001.690 
avg	     0.000      0.000      1.200     31.118      0.000     67.682 
stddev	     0.000      0.000      0.553     13.092      0.000     13.492 


Device:         rrqm/s   wrqm/s     r/s     w/s    rkB/s    wkB/s avgrq-sz avgqu-sz   await  svctm  %util
sum	     0.000      3.000      3.000   7178.000     12.000 838877.000  31044.390  19026.730 353021.380   2526.790  13300.400 
avg	     0.000      0.023      0.023     53.970      0.090   6307.346    233.416    143.058   2654.296     18.998    100.003 
stddev	     0.000      0.148      0.259      6.708      1.037    812.680      3.154      1.781    202.048      3.960      0.125